122121222020210 has 64 divisors (see below), whose sum is σ = 251316630146304. Its totient is φ = 41854164480000.

The previous prime is 122121222020197. The next prime is 122121222020243. The reversal of 122121222020210 is 12020222121221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2482063610 + ... + 2482112810.

It is an arithmetic number, because the mean of its divisors is an integer number (3926822346036).

Almost surely, 2^{122121222020210} is an apocalyptic number.

122121222020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121222020210 is an abundant number, since it is smaller than the sum of its proper divisors (129195408126094).

122121222020210 is a wasteful number, since it uses less digits than its factorization.

122121222020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62019.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122121222020210 its reverse (12020222121221), we get a palindrome (134141444141431).

The spelling of 122121222020210 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred twenty-two million, twenty thousand, two hundred ten".