211022222012121 has 16 divisors (see below), whose sum is σ = 303026966887680. Its totient is φ = 129850957766400.

The previous prime is 211022222012083. The next prime is 211022222012227. The reversal of 211022222012121 is 121210222220112.

It is not a de Polignac number, because 211022222012121 - 2⁶ = 211022222012057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211022222082121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184237680 + ... + 185379521.

It is an arithmetic number, because the mean of its divisors is an integer number (18939185430480).

Almost surely, 2^{211022222012121} is an apocalyptic number.

It is an amenable number.

211022222012121 is a deficient number, since it is larger than the sum of its proper divisors (92004744875559).

211022222012121 is a wasteful number, since it uses less digits than its factorization.

211022222012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369631856.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211022222012121 its reverse (121210222220112), we get a palindrome (332232444232233).

The spelling of 211022222012121 in words is "two hundred eleven trillion, twenty-two billion, two hundred twenty-two million, twelve thousand, one hundred twenty-one".