121101021200210 has 32 divisors (see below), whose sum is σ = 220747531011840. Its totient is φ = 47825845786368.

The previous prime is 121101021200161. The next prime is 121101021200221. The reversal of 121101021200210 is 12002120101121.

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, 25121354 + ... + 29551386.

It is an arithmetic number, because the mean of its divisors is an integer number (6898360344120).

Almost surely, 2^{121101021200210} is an apocalyptic number.

121101021200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101021200210 is a deficient number, since it is larger than the sum of its proper divisors (99646509811630).

121101021200210 is a wasteful number, since it uses less digits than its factorization.

121101021200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464722.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121101021200210 its reverse (12002120101121), we get a palindrome (133103141301331).

The spelling of 121101021200210 in words is "one hundred twenty-one trillion, one hundred one billion, twenty-one million, two hundred thousand, two hundred ten".