102121001121202 has 48 divisors (see below), whose sum is σ = 179963729768088. Its totient is φ = 43330710931200.

The previous prime is 102121001121193. The next prime is 102121001121239. The reversal of 102121001121202 is 202121100121201.

It can be written as a sum of positive squares in 4 ways, for example, as 100437497466201 + 1683503655001 = 10021851^2 + 1297499^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212735518 + ... + 213215014.

Almost surely, 2^{102121001121202} is an apocalyptic number.

102121001121202 is a deficient number, since it is larger than the sum of its proper divisors (77842728646886).

102121001121202 is a wasteful number, since it uses less digits than its factorization.

102121001121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501131 (or 501124 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102121001121202 its reverse (202121100121201), we get a palindrome (304242101242403).

The spelling of 102121001121202 in words is "one hundred two trillion, one hundred twenty-one billion, one million, one hundred twenty-one thousand, two hundred two".