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BaseRepresentation
bin101111100011011100…
…1000101101100100000
3100202120222212111100012
41133012321011230200
53133121000231422
6114525213344052
710243441021451
oct1370671055440
9322528774305
10102121102112
113a344777557
1217960198028
1398260a8553
144d2aa41128
1529ca56e4e2
hex17c6e45b20

102121102112 has 24 divisors (see below), whose sum is σ = 211632548400. Its totient is φ = 48373153344.

The previous prime is 102121102103. The next prime is 102121102117. The reversal of 102121102112 is 211201121201.

Adding to 102121102112 its reverse (211201121201), we get a palindrome (313322223313).

It is not an unprimeable number, because it can be changed into a prime (102121102117) 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, 83980562 + ... + 83981777.

It is an arithmetic number, because the mean of its divisors is an integer number (8818022850).

Almost surely, 2102121102112 is an apocalyptic number.

It is an amenable number.

102121102112 is an abundant number, since it is smaller than the sum of its proper divisors (109511446288).

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

102121102112 is a wasteful number, since it uses less digits than its factorization.

102121102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167962368 (or 167962360 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The spelling of 102121102112 in words is "one hundred two billion, one hundred twenty-one million, one hundred two thousand, one hundred twelve".