210101011002 has 48 divisors (see below), whose sum is σ = 472455154080. Its totient is φ = 69977840112.

The previous prime is 210101010997. The next prime is 210101011033. The reversal of 210101011002 is 200110101012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440188 + ... + 783560.

It is an arithmetic number, because the mean of its divisors is an integer number (9842815710).

Almost surely, 2^210101011002 is an apocalyptic number.

210101011002 is an abundant number, since it is smaller than the sum of its proper divisors (262354143078).

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

210101011002 is a wasteful number, since it uses less digits than its factorization.

210101011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344649 (or 344637 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210101011002 its reverse (200110101012), we get a palindrome (410211112014).

The spelling of 210101011002 in words is "two hundred ten billion, one hundred one million, eleven thousand, two".