211122001002 has 32 divisors (see below), whose sum is σ = 460884432384. Its totient is φ = 63941001200.

The previous prime is 211122000989. The next prime is 211122001003. The reversal of 211122001002 is 200100221112.

It is not an unprimeable number, because it can be changed into a prime (211122001003) 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, 763638 + ... + 1002689.

It is an arithmetic number, because the mean of its divisors is an integer number (14402638512).

Almost surely, 2^211122001002 is an apocalyptic number.

211122001002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211122001002 is an abundant number, since it is smaller than the sum of its proper divisors (249762431382).

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

211122001002 is a wasteful number, since it uses less digits than its factorization.

211122001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768154.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211122001002 its reverse (200100221112), we get a palindrome (411222222114).

It can be divided in two parts, 21112 and 2001002, that multiplied together give a palindrome (42245154224).

The spelling of 211122001002 in words is "two hundred eleven billion, one hundred twenty-two million, one thousand, two".