11220101251 has 8 divisors (see below), whose sum is σ = 11306490624. Its totient is φ = 11133926280.

The previous prime is 11220101231. The next prime is 11220101309. The reversal of 11220101251 is 15210102211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220101251 - 2³³ = 2630166659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220101231) 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, 52266 + ... + 158656.

It is an arithmetic number, because the mean of its divisors is an integer number (1413311328).

Almost surely, 2^11220101251 is an apocalyptic number.

11220101251 is a deficient number, since it is larger than the sum of its proper divisors (86389373).

11220101251 is a wasteful number, since it uses less digits than its factorization.

11220101251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107201.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 11220101251 its reverse (15210102211), we get a palindrome (26430203462).

The spelling of 11220101251 in words is "eleven billion, two hundred twenty million, one hundred one thousand, two hundred fifty-one".