10001010211220 has 48 divisors (see below), whose sum is σ = 24776696275968. Its totient is φ = 3318307534080.

The previous prime is 10001010211211. The next prime is 10001010211237. The reversal of 10001010211220 is 2211201010001.

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, 1152185777 + ... + 1152194456.

It is an arithmetic number, because the mean of its divisors is an integer number (516181172416).

Almost surely, 2^{10001010211220} is an apocalyptic number.

10001010211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001010211220 is an abundant number, since it is smaller than the sum of its proper divisors (14775686064748).

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

10001010211220 is a wasteful number, since it uses less digits than its factorization.

10001010211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304380280 (or 2304380278 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10001010211220 its reverse (2211201010001), we get a palindrome (12212211221221).

The spelling of 10001010211220 in words is "ten trillion, one billion, ten million, two hundred eleven thousand, two hundred twenty".