211001021002122 has 16 divisors (see below), whose sum is σ = 454463737543200. Its totient is φ = 64923391077552.

The previous prime is 211001021002081. The next prime is 211001021002129. The reversal of 211001021002122 is 221200120100112.

It is not an unprimeable number, because it can be changed into a prime (211001021002129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352570647372 + ... + 1352570647527.

It is an arithmetic number, because the mean of its divisors is an integer number (28403983596450).

Almost surely, 2^{211001021002122} is an apocalyptic number.

211001021002122 is an abundant number, since it is smaller than the sum of its proper divisors (243462716541078).

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

211001021002122 is a wasteful number, since it uses less digits than its factorization.

211001021002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705141294917.

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

Adding to 211001021002122 its reverse (221200120100112), we get a palindrome (432201141102234).

The spelling of 211001021002122 in words is "two hundred eleven trillion, one billion, twenty-one million, two thousand, one hundred twenty-two".