211101202122 has 16 divisors (see below), whose sum is σ = 422941819872. Its totient is φ = 70243831440.

The previous prime is 211101202069. The next prime is 211101202127. The reversal of 211101202122 is 221202101112.

211101202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211101202127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30805273 + ... + 30812124.

It is an arithmetic number, because the mean of its divisors is an integer number (26433863742).

Almost surely, 2^211101202122 is an apocalyptic number.

211101202122 is an abundant number, since it is smaller than the sum of its proper divisors (211840617750).

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

211101202122 is a wasteful number, since it uses less digits than its factorization.

211101202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61617973.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211101202122 its reverse (221202101112), we get a palindrome (432303303234).

The spelling of 211101202122 in words is "two hundred eleven billion, one hundred one million, two hundred two thousand, one hundred twenty-two".