10211000020002 has 56 divisors (see below), whose sum is σ = 23064526200540. Its totient is φ = 3388803389280.

The previous prime is 10211000019887. The next prime is 10211000020009. The reversal of 10211000020002 is 20002000011201.

It can be written as a sum of positive squares in 2 ways, for example, as 10085839024041 + 125160995961 = 3175821^2 + 353781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10211000020009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14957449 + ... + 15625212.

Almost surely, 2^{10211000020002} is an apocalyptic number.

10211000020002 is an abundant number, since it is smaller than the sum of its proper divisors (12853526180538).

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

10211000020002 is an equidigital number, since it uses as much as digits as its factorization.

10211000020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582910 (or 30582895 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10211000020002 its reverse (20002000011201), we get a palindrome (30213000031203).

The spelling of 10211000020002 in words is "ten trillion, two hundred eleven billion, twenty thousand, two".