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1010112111020 = 22550505605551
BaseRepresentation
bin11101011001011110101…
…11111010000110101100
310120120021110010220000102
432230233113322012230
5113022202200023040
62052012240050232
7132656343164165
oct16545727720654
93516243126012
101010112111020
1135a427a53641
12143924603978
137433a27a19c
1436c6543076c
151b41e3bc515
hexeb2f5fa1ac

1010112111020 has 12 divisors (see below), whose sum is σ = 2121235433184. Its totient is φ = 404044844400.

The previous prime is 1010112110999. The next prime is 1010112111031. The reversal of 1010112111020 is 201112110101.

It is a junction number, because it is equal to n+sod(n) for n = 1010112110992 and 1010112111010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25252802756 + ... + 25252802795.

It is an arithmetic number, because the mean of its divisors is an integer number (176769619432).

Almost surely, 21010112111020 is an apocalyptic number.

1010112111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010112111020 is an abundant number, since it is smaller than the sum of its proper divisors (1111123322164).

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

1010112111020 is a wasteful number, since it uses less digits than its factorization.

1010112111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50505605560 (or 50505605558 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1010112111020 its reverse (201112110101), we get a palindrome (1211224221121).

The spelling of 1010112111020 in words is "one trillion, ten billion, one hundred twelve million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 50505605551 101011211102 202022422204 252528027755 505056055510 1010112111020