211011010121002 has 32 divisors (see below), whose sum is σ = 389559951648000. Its totient is φ = 83476633753728.

The previous prime is 211011010120877. The next prime is 211011010121029. The reversal of 211011010121002 is 200121010110112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 66787699 + ... + 69875737.

It is an arithmetic number, because the mean of its divisors is an integer number (12173748489000).

Almost surely, 2^{211011010121002} is an apocalyptic number.

211011010121002 is a deficient number, since it is larger than the sum of its proper divisors (178548941526998).

211011010121002 is a wasteful number, since it uses less digits than its factorization.

211011010121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463510.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211011010121002 its reverse (200121010110112), we get a palindrome (411132020231114).

The spelling of 211011010121002 in words is "two hundred eleven trillion, eleven billion, ten million, one hundred twenty-one thousand, two".