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101211120022220 = 22513389273538547
BaseRepresentation
bin10111000000110100001100…
…110110110011001011001100
3111021100200120222022022000222
4113000310030312303023030
5101231220333211202340
6555131425140010512
730214155622364165
oct2700641466631314
9437320528268028
10101211120022220
112a28143875857a
12b427487390a38
13446222448c350
141adc90413076c
15ba7b008568b5
hex5c0d0cdb32cc

101211120022220 has 24 divisors (see below), whose sum is σ = 228892840666224. Its totient is φ = 37370259700416.

The previous prime is 101211120022171. The next prime is 101211120022261. The reversal of 101211120022220 is 22220021112101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194636769014 + ... + 194636769533.

It is an arithmetic number, because the mean of its divisors is an integer number (9537201694426).

Almost surely, 2101211120022220 is an apocalyptic number.

101211120022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101211120022220 is an abundant number, since it is smaller than the sum of its proper divisors (127681720644004).

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

101211120022220 is a wasteful number, since it uses less digits than its factorization.

101211120022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389273538569 (or 389273538567 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101211120022220 its reverse (22220021112101), we get a palindrome (123431141134321).

The spelling of 101211120022220 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 389273538547 778547077094 1557094154188 1946367692735 3892735385470 5060556001111 7785470770940 10121112002222 20242224004444 25302780005555 50605560011110 101211120022220