121001220020102 has 16 divisors (see below), whose sum is σ = 181568373619392. Its totient is φ = 60478429851840.

The previous prime is 121001220020099. The next prime is 121001220020111. The reversal of 121001220020102 is 201020022100121.

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, 255893852 + ... + 256366272.

It is an arithmetic number, because the mean of its divisors is an integer number (11348023351212).

Almost surely, 2^{121001220020102} is an apocalyptic number.

121001220020102 is a deficient number, since it is larger than the sum of its proper divisors (60567153599290).

121001220020102 is a wasteful number, since it uses less digits than its factorization.

121001220020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519103.

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

Adding to 121001220020102 its reverse (201020022100121), we get a palindrome (322021242120223).

The spelling of 121001220020102 in words is "one hundred twenty-one trillion, one billion, two hundred twenty million, twenty thousand, one hundred two".