122000101221 has 32 divisors (see below), whose sum is σ = 183501987840. Its totient is φ = 71710588224.

The previous prime is 122000101219. The next prime is 122000101331. The reversal of 122000101221 is 122101000221.

It is not a de Polignac number, because 122000101221 - 2¹ = 122000101219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122000101197 and 122000101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000101921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209045 + ... + 1306058.

It is an arithmetic number, because the mean of its divisors is an integer number (5734437120).

Almost surely, 2^122000101221 is an apocalyptic number.

It is an amenable number.

122000101221 is a deficient number, since it is larger than the sum of its proper divisors (61501886619).

122000101221 is a wasteful number, since it uses less digits than its factorization.

122000101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515185.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122000101221 its reverse (122101000221), we get a palindrome (244101101442).

The spelling of 122000101221 in words is "one hundred twenty-two billion, one hundred one thousand, two hundred twenty-one".