121020010102210 has 32 divisors (see below), whose sum is σ = 220461708761280. Its totient is φ = 47824523385408.

The previous prime is 121020010102193. The next prime is 121020010102213. The reversal of 121020010102210 is 12201010020121.

It is not an unprimeable number, because it can be changed into a prime (121020010102213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287184424 + ... + 287605516.

It is an arithmetic number, because the mean of its divisors is an integer number (6889428398790).

Almost surely, 2^{121020010102210} is an apocalyptic number.

121020010102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020010102210 is a deficient number, since it is larger than the sum of its proper divisors (99441698659070).

121020010102210 is a wasteful number, since it uses less digits than its factorization.

121020010102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767442.

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

Adding to 121020010102210 its reverse (12201010020121), we get a palindrome (133221020122331).

The spelling of 121020010102210 in words is "one hundred twenty-one trillion, twenty billion, ten million, one hundred two thousand, two hundred ten".