2101010201010 has 128 divisors (see below), whose sum is σ = 6511605811200. Its totient is φ = 472091371200.

The previous prime is 2101010200981. The next prime is 2101010201047. The reversal of 2101010201010 is 101020101012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2101010200983 and 2101010201001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9309216 + ... + 9532235.

It is an arithmetic number, because the mean of its divisors is an integer number (50871920400).

Almost surely, 2^{2101010201010} is an apocalyptic number.

2101010201010 is an abundant number, since it is smaller than the sum of its proper divisors (4410595610190).

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

2101010201010 is a wasteful number, since it uses less digits than its factorization.

2101010201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18841533 (or 18841527 counting only the distinct ones).

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

Adding to 2101010201010 its reverse (101020101012), we get a palindrome (2202030302022).

The spelling of 2101010201010 in words is "two trillion, one hundred one billion, ten million, two hundred one thousand, ten".