2100121002212 has 6 divisors (see below), whose sum is σ = 3675211753878. Its totient is φ = 1050060501104.

The previous prime is 2100121002169. The next prime is 2100121002227. The reversal of 2100121002212 is 2122001210012.

It can be written as a sum of positive squares in only one way, i.e., 2065014984256 + 35106017956 = 1437016^2 + 187366^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262515125273 + ... + 262515125280.

It is an arithmetic number, because the mean of its divisors is an integer number (612535292313).

Almost surely, 2^{2100121002212} is an apocalyptic number.

It is an amenable number.

2100121002212 is a deficient number, since it is larger than the sum of its proper divisors (1575090751666).

2100121002212 is a wasteful number, since it uses less digits than its factorization.

2100121002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525030250557 (or 525030250555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100121002212 its reverse (2122001210012), we get a palindrome (4222122212224).

The spelling of 2100121002212 in words is "two trillion, one hundred billion, one hundred twenty-one million, two thousand, two hundred twelve".