211121021101002 has 32 divisors (see below), whose sum is σ = 422624905620288. Its totient is φ = 70309865172096.

The previous prime is 211121021100989. The next prime is 211121021101021. The reversal of 211121021101002 is 200101120121112.

It is a happy number.

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, 482174808 + ... + 482612460.

It is an arithmetic number, because the mean of its divisors is an integer number (13207028300634).

Almost surely, 2^{211121021101002} is an apocalyptic number.

211121021101002 is an abundant number, since it is smaller than the sum of its proper divisors (211503884519286).

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

211121021101002 is a wasteful number, since it uses less digits than its factorization.

211121021101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510374.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211121021101002 its reverse (200101120121112), we get a palindrome (411222141222114).

The spelling of 211121021101002 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty-one million, one hundred one thousand, two".