122100021211 has 32 divisors (see below), whose sum is σ = 148153674240. Its totient is φ = 98403088896.

The previous prime is 122100021209. The next prime is 122100021223. The reversal of 122100021211 is 112120001221.

It is not a de Polignac number, because 122100021211 - 2¹ = 122100021209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100021191 and 122100021200.

It is not an unprimeable number, because it can be changed into a prime (122100025211) 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, 2920920 + ... + 2962426.

It is an arithmetic number, because the mean of its divisors is an integer number (4629802320).

Almost surely, 2^122100021211 is an apocalyptic number.

122100021211 is a deficient number, since it is larger than the sum of its proper divisors (26053653029).

122100021211 is a wasteful number, since it uses less digits than its factorization.

122100021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41923.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122100021211 its reverse (112120001221), we get a palindrome (234220022432).

The spelling of 122100021211 in words is "one hundred twenty-two billion, one hundred million, twenty-one thousand, two hundred eleven".