10211220720606 has 32 divisors (see below), whose sum is σ = 20494581493248. Its totient is φ = 3391736001920.

The previous prime is 10211220720593. The next prime is 10211220720641. The reversal of 10211220720606 is 60602702211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248715 + ... + 4525958.

It is an arithmetic number, because the mean of its divisors is an integer number (640455671664).

Almost surely, 2^{10211220720606} is an apocalyptic number.

10211220720606 is an abundant number, since it is smaller than the sum of its proper divisors (10283360772642).

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

10211220720606 is a wasteful number, since it uses less digits than its factorization.

10211220720606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775936.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 10211220720606 its reverse (60602702211201), we get a palindrome (70813922931807).

The spelling of 10211220720606 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, seven hundred twenty thousand, six hundred six".