211001122101002 has 16 divisors (see below), whose sum is σ = 319636039350600. Its totient is φ = 104455780070400.

The previous prime is 211001122100983. The next prime is 211001122101113. The reversal of 211001122101002 is 200101221100112.

It can be written as a sum of positive squares in 4 ways, for example, as 202745447354641 + 8255674746361 = 14238871^2 + 2873269^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137641874 + ... + 139166402.

Almost surely, 2^{211001122101002} is an apocalyptic number.

211001122101002 is a deficient number, since it is larger than the sum of its proper divisors (108634917249598).

211001122101002 is a wasteful number, since it uses less digits than its factorization.

211001122101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209801.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211001122101002 its reverse (200101221100112), we get a palindrome (411102343201114).

The spelling of 211001122101002 in words is "two hundred eleven trillion, one billion, one hundred twenty-two million, one hundred one thousand, two".