211201012100122 has 32 divisors (see below), whose sum is σ = 365943450668544. Its totient is φ = 90350340748800.

The previous prime is 211201012100093. The next prime is 211201012100159. The reversal of 211201012100122 is 221001210102112.

It is a junction number, because it is equal to n+sod(n) for n = 211201012100096 and 211201012100105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693047 + ... + 20622037.

It is an arithmetic number, because the mean of its divisors is an integer number (11435732833392).

Almost surely, 2^{211201012100122} is an apocalyptic number.

211201012100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211201012100122 is a deficient number, since it is larger than the sum of its proper divisors (154742438568422).

211201012100122 is a wasteful number, since it uses less digits than its factorization.

211201012100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18958854.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211201012100122 its reverse (221001210102112), we get a palindrome (432202222202234).

The spelling of 211201012100122 in words is "two hundred eleven trillion, two hundred one billion, twelve million, one hundred thousand, one hundred twenty-two".