1200102101122 has 4 divisors (see below), whose sum is σ = 1800153151686. Its totient is φ = 600051050560.

The previous prime is 1200102100999. The next prime is 1200102101137. The reversal of 1200102101122 is 2211012010021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1152189706801 + 47912394321 = 1073401^2 + 218889^2 .

It is a super-2 number, since 2×1200102101122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300025525279 + ... + 300025525282.

Almost surely, 2^{1200102101122} is an apocalyptic number.

1200102101122 is a deficient number, since it is larger than the sum of its proper divisors (600051050564).

1200102101122 is an equidigital number, since it uses as much as digits as its factorization.

1200102101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600051050563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200102101122 its reverse (2211012010021), we get a palindrome (3411114111143).

The spelling of 1200102101122 in words is "one trillion, two hundred billion, one hundred two million, one hundred one thousand, one hundred twenty-two".