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10210110001220 = 2252354834048129
BaseRepresentation
bin1001010010010011100111…
…1110101101000001000100
31100011002002010021012202102
42110210321332231001010
52314240301130014340
633414243151331232
72102441021031443
oct224447176550104
940132063235672
1010210110001220
1132870a0a11828
12118a955220b18
13590a69b9a92c
14274259c08d5a
1512a8c5c53215
hex94939fad044

10210110001220 has 48 divisors (see below), whose sum is σ = 22377544479360. Its totient is φ = 3905763434496.

The previous prime is 10210110001207. The next prime is 10210110001271. The reversal of 10210110001220 is 2210001101201.

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, 498116 + ... + 4546244.

It is an arithmetic number, because the mean of its divisors is an integer number (466198843320).

Almost surely, 210210110001220 is an apocalyptic number.

10210110001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210110001220 is an abundant number, since it is smaller than the sum of its proper divisors (12167434478140).

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

10210110001220 is a wasteful number, since it uses less digits than its factorization.

10210110001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053644 (or 4053642 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10210110001220 its reverse (2210001101201), we get a palindrome (12420111102421).

The spelling of 10210110001220 in words is "ten trillion, two hundred ten billion, one hundred ten million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 5483 10966 21932 27415 54830 109660 126109 252218 504436 630545 1261090 2522180 4048129 8096258 16192516 20240645 40481290 80962580 93106967 186213934 372427868 465534835 931069670 1862139340 22195891307 44391782614 88783565228 110979456535 221958913070 443917826140 510505500061 1021011000122 2042022000244 2552527500305 5105055000610 10210110001220