211220101211002 has 128 divisors (see below), whose sum is σ = 366383479392000. Its totient is φ = 90517595904000.

The previous prime is 211220101210967. The next prime is 211220101211033. The reversal of 211220101211002 is 200112101022112.

It is a super-2 number, since 2×211220101211002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7372672374 + ... + 7372701022.

It is an arithmetic number, because the mean of its divisors is an integer number (2862370932750).

Almost surely, 2^{211220101211002} is an apocalyptic number.

211220101211002 is a deficient number, since it is larger than the sum of its proper divisors (155163378180998).

211220101211002 is a wasteful number, since it uses less digits than its factorization.

211220101211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30272.

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

Adding to 211220101211002 its reverse (200112101022112), we get a palindrome (411332202233114).

The spelling of 211220101211002 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred one million, two hundred eleven thousand, two".