211002101121 has 96 divisors (see below), whose sum is σ = 342320090112. Its totient is φ = 115138437120.

The previous prime is 211002101119. The next prime is 211002101147. The reversal of 211002101121 is 121101200112.

It is not a de Polignac number, because 211002101121 - 2¹ = 211002101119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211002101097 and 211002101106.

It is not an unprimeable number, because it can be changed into a prime (211002101021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 246209725 + ... + 246210581.

It is an arithmetic number, because the mean of its divisors is an integer number (3565834272).

Almost surely, 2^211002101121 is an apocalyptic number.

211002101121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211002101121 is a deficient number, since it is larger than the sum of its proper divisors (131317988991).

211002101121 is a wasteful number, since it uses less digits than its factorization.

211002101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211002101121 its reverse (121101200112), we get a palindrome (332103301233).

The spelling of 211002101121 in words is "two hundred eleven billion, two million, one hundred one thousand, one hundred twenty-one".