211020100122 has 64 divisors (see below), whose sum is σ = 486005474304. Its totient is φ = 60504806400.

The previous prime is 211020100097. The next prime is 211020100141. The reversal of 211020100122 is 221001020112.

It is a junction number, because it is equal to n+sod(n) for n = 211020100098 and 211020100107.

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, 653898 + ... + 921749.

It is an arithmetic number, because the mean of its divisors is an integer number (7593835536).

Almost surely, 2^211020100122 is an apocalyptic number.

211020100122 is an abundant number, since it is smaller than the sum of its proper divisors (274985374182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211020100122 is a wasteful number, since it uses less digits than its factorization.

211020100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575783.

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

Adding to 211020100122 its reverse (221001020112), we get a palindrome (432021120234).

The spelling of 211020100122 in words is "two hundred eleven billion, twenty million, one hundred thousand, one hundred twenty-two".