211220010222122 has 32 divisors (see below), whose sum is σ = 349172904812544. Its totient is φ = 95026360552000.

The previous prime is 211220010222119. The next prime is 211220010222173. The reversal of 211220010222122 is 221222010022112.

It is a super-2 number, since 2×211220010222122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211220010222094 and 211220010222103.

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, 9503018 + ... + 22643925.

It is an arithmetic number, because the mean of its divisors is an integer number (10911653275392).

Almost surely, 2^{211220010222122} is an apocalyptic number.

211220010222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211220010222122 is a deficient number, since it is larger than the sum of its proper divisors (137952894590422).

211220010222122 is a wasteful number, since it uses less digits than its factorization.

211220010222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32150014.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211220010222122 its reverse (221222010022112), we get a palindrome (432442020244234).

The spelling of 211220010222122 in words is "two hundred eleven trillion, two hundred twenty billion, ten million, two hundred twenty-two thousand, one hundred twenty-two".