10111221201022 has 4 divisors (see below), whose sum is σ = 15166831801536. Its totient is φ = 5055610600510.

The previous prime is 10111221201017. The next prime is 10111221201113. The reversal of 10111221201022 is 22010212211101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10111221201022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10111221200987 and 10111221201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527805300254 + ... + 2527805300257.

It is an arithmetic number, because the mean of its divisors is an integer number (3791707950384).

Almost surely, 2^{10111221201022} is an apocalyptic number.

10111221201022 is a deficient number, since it is larger than the sum of its proper divisors (5055610600514).

10111221201022 is an equidigital number, since it uses as much as digits as its factorization.

10111221201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055610600513.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111221201022 its reverse (22010212211101), we get a palindrome (32121433412123).

The spelling of 10111221201022 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, two hundred one thousand, twenty-two".