121030020210 has 32 divisors (see below), whose sum is σ = 316878599232. Its totient is φ = 29340610880.

The previous prime is 121030020179. The next prime is 121030020227. The reversal of 121030020210 is 12020030121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183378489 + ... + 183379148.

It is an arithmetic number, because the mean of its divisors is an integer number (9902456226).

Almost surely, 2^121030020210 is an apocalyptic number.

121030020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030020210 is an abundant number, since it is smaller than the sum of its proper divisors (195848579022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121030020210 is a wasteful number, since it uses less digits than its factorization.

121030020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366757658.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 121030020210 its reverse (12020030121), we get a palindrome (133050050331).

The spelling of 121030020210 in words is "one hundred twenty-one billion, thirty million, twenty thousand, two hundred ten".