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1112102111020 = 22555605105551
BaseRepresentation
bin10000001011101110011…
…100111000011100101100
310221022112022022201001211
4100023232130320130230
5121210041120023040
62210520451444204
7143226632655025
oct20135634703454
93838468281054
101112102111020
1139970471613a
1215b6488b6664
1380b42142404
143bb7c8a5c4c
151dddd1918ea
hex102ee73872c

1112102111020 has 12 divisors (see below), whose sum is σ = 2335414433184. Its totient is φ = 444840844400.

The previous prime is 1112102111017. The next prime is 1112102111023. The reversal of 1112102111020 is 201112012111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1112102111017) and next prime (1112102111023).

It is a super-2 number, since 2×11121021110202 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112102111023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27802552756 + ... + 27802552795.

It is an arithmetic number, because the mean of its divisors is an integer number (194617869432).

Almost surely, 21112102111020 is an apocalyptic number.

1112102111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112102111020 is an abundant number, since it is smaller than the sum of its proper divisors (1223312322164).

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

1112102111020 is a wasteful number, since it uses less digits than its factorization.

1112102111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55605105560 (or 55605105558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112102111020 its reverse (201112012111), we get a palindrome (1313214123131).

The spelling of 1112102111020 in words is "one trillion, one hundred twelve billion, one hundred two million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 55605105551 111210211102 222420422204 278025527755 556051055510 1112102111020