10621216672010 has 64 divisors (see below), whose sum is σ = 23002544505600. Its totient is φ = 3449416223232.

The previous prime is 10621216671997. The next prime is 10621216672133. The reversal of 10621216672010 is 1027661212601.

It is a super-2 number, since 2×10621216672010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9011576 + ... + 10121804.

It is an arithmetic number, because the mean of its divisors is an integer number (359414757900).

Almost surely, 2^{10621216672010} is an apocalyptic number.

10621216672010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10621216672010 is an abundant number, since it is smaller than the sum of its proper divisors (12381327833590).

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

10621216672010 is a wasteful number, since it uses less digits than its factorization.

10621216672010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117455.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 10621216672010 its reverse (1027661212601), we get a palindrome (11648877884611).

The spelling of 10621216672010 in words is "ten trillion, six hundred twenty-one billion, two hundred sixteen million, six hundred seventy-two thousand, ten".