1000000102122 has 48 divisors (see below), whose sum is σ = 2476246398912. Its totient is φ = 285707891520.

The previous prime is 1000000102111. The next prime is 1000000102133. The reversal of 1000000102122 is 2212010000001.

It is an interprime number because it is at equal distance from previous prime (1000000102111) and next prime (1000000102133).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10594597 + ... + 10688567.

It is an arithmetic number, because the mean of its divisors is an integer number (51588466644).

Almost surely, 2^{1000000102122} is an apocalyptic number.

1000000102122 is an abundant number, since it is smaller than the sum of its proper divisors (1476246296790).

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

1000000102122 is a wasteful number, since it uses less digits than its factorization.

1000000102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178443 (or 178440 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000000102122 its reverse (2212010000001), we get a palindrome (3212010102123).

The spelling of 1000000102122 in words is "one trillion, one hundred two thousand, one hundred twenty-two".