100121020102 has 16 divisors (see below), whose sum is σ = 151046840880. Its totient is φ = 49772848608.

The previous prime is 100121020091. The next prime is 100121020147. The reversal of 100121020102 is 201020121001.

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, 65224 + ... + 452212.

It is an arithmetic number, because the mean of its divisors is an integer number (9440427555).

Almost surely, 2^100121020102 is an apocalyptic number.

100121020102 is a deficient number, since it is larger than the sum of its proper divisors (50925820778).

100121020102 is a wasteful number, since it uses less digits than its factorization.

100121020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387735.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100121020102 its reverse (201020121001), we get a palindrome (301141141103).

The spelling of 100121020102 in words is "one hundred billion, one hundred twenty-one million, twenty thousand, one hundred two".