121001020022210 has 64 divisors (see below), whose sum is σ = 232909496842464. Its totient is φ = 45099884544000.

The previous prime is 121001020022177. The next prime is 121001020022237. The reversal of 121001020022210 is 12220020100121.

It can be written as a sum of positive squares in 16 ways, for example, as 86972429461801 + 34028590560409 = 9325901^2 + 5833403^2 .

It is a Curzon number.

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, 337743734 + ... + 338101806.

Almost surely, 2^{121001020022210} is an apocalyptic number.

121001020022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001020022210 is a deficient number, since it is larger than the sum of its proper divisors (111908476820254).

121001020022210 is a wasteful number, since it uses less digits than its factorization.

121001020022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377879.

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

Adding to 121001020022210 its reverse (12220020100121), we get a palindrome (133221040122331).

The spelling of 121001020022210 in words is "one hundred twenty-one trillion, one billion, twenty million, twenty-two thousand, two hundred ten".