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101102020102020 = 2235717101140197493
BaseRepresentation
bin10110111111001110100101…
…111111101000011110000100
3111020222020222121120010000210
4112333032211333220132010
5101222423414121231040
6555005343222035420
730203244210354120
oct2677164577503604
9436866877503023
10101102020102020
112a23a142694773
12b40a2b9b78b70
134454b585b6252
141ad75146c8580
15ba4d677a4480
hex5bf3a5fe8784

101102020102020 has 192 divisors, whose sum is σ = 345949093034496. Its totient is φ = 21534334771200.

The previous prime is 101102020102001. The next prime is 101102020102033. The reversal of 101102020102020 is 20201020201101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101102020101987 and 101102020102005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69377607 + ... + 70819886.

It is an arithmetic number, because the mean of its divisors is an integer number (1801818192888).

Almost surely, 2101102020102020 is an apocalyptic number.

101102020102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101102020102020 is an abundant number, since it is smaller than the sum of its proper divisors (244847072932476).

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

101102020102020 is a wasteful number, since it uses less digits than its factorization.

101102020102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140197630 (or 140197628 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101102020102020 its reverse (20201020201101), we get a palindrome (121303040303121).

The spelling of 101102020102020 in words is "one hundred one trillion, one hundred two billion, twenty million, one hundred two thousand, twenty".