2151021040010 has 16 divisors (see below), whose sum is σ = 3873526460136. Its totient is φ = 860033174208.

The previous prime is 2151021040001. The next prime is 2151021040013. The reversal of 2151021040010 is 100401201512.

It can be written as a sum of positive squares in 4 ways, for example, as 1478074809121 + 672946230889 = 1215761^2 + 820333^2 .

It is not an unprimeable number, because it can be changed into a prime (2151021040013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46881149 + ... + 46927008.

Almost surely, 2^{2151021040010} is an apocalyptic number.

2151021040010 is a deficient number, since it is larger than the sum of its proper divisors (1722505420126).

2151021040010 is a wasteful number, since it uses less digits than its factorization.

2151021040010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93810457.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 2151021040010 its reverse (100401201512), we get a palindrome (2251422241522).

The spelling of 2151021040010 in words is "two trillion, one hundred fifty-one billion, twenty-one million, forty thousand, ten".