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102010222221220 = 225227174112905923
BaseRepresentation
bin10111001100011100011011…
…000011110001011110100100
3111101012002012210002000120201
4113030130123003301132210
5101332313413342034340
61000542503225240244
730325665255116455
oct2714343303613644
9441162183060521
10102010222221220
112a55a324052075
12b536321033084
1344bc6a4432211
141b2946d14d12c
15bbd7bee0379a
hex5cc71b0f17a4

102010222221220 has 48 divisors (see below), whose sum is σ = 215288777366208. Its totient is φ = 40600998138240.

The previous prime is 102010222221217. The next prime is 102010222221283. The reversal of 102010222221220 is 22122222010201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451179 + ... + 14357101.

It is an arithmetic number, because the mean of its divisors is an integer number (4485182861796).

Almost surely, 2102010222221220 is an apocalyptic number.

102010222221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010222221220 is an abundant number, since it is smaller than the sum of its proper divisors (113278555144988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102010222221220 is a wasteful number, since it uses less digits than its factorization.

102010222221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12907900 (or 12907898 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102010222221220 its reverse (22122222010201), we get a palindrome (124132444231421).

The spelling of 102010222221220 in words is "one hundred two trillion, ten billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 1741 2270 3482 4540 6964 8705 17410 34820 395207 790414 1580828 1976035 3952070 7904140 12905923 25811846 51623692 64529615 129059230 258118460 2929644521 5859289042 11718578084 14648222605 22469211943 29296445210 44938423886 58592890420 89876847772 112346059715 224692119430 449384238860 5100511111061 10201022222122 20402044444244 25502555555305 51005111110610 102010222221220