1000102121112 has 32 divisors (see below), whose sum is σ = 2647329145200. Its totient is φ = 313757528064.

The previous prime is 1000102121089. The next prime is 1000102121143. The reversal of 1000102121112 is 2111212010001.

It is a super-2 number, since 2×1000102121112² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

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, 1225614937 + ... + 1225615752.

Almost surely, 2^{1000102121112} is an apocalyptic number.

1000102121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000102121112 is an abundant number, since it is smaller than the sum of its proper divisors (1647227024088).

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

1000102121112 is a wasteful number, since it uses less digits than its factorization.

1000102121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451230715 (or 2451230711 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1000102121112 its reverse (2111212010001), we get a palindrome (3111314131113).

The spelling of 1000102121112 in words is "one trillion, one hundred two million, one hundred twenty-one thousand, one hundred twelve".