111212011201022 has 4 divisors (see below), whose sum is σ = 166818016801536. Its totient is φ = 55606005600510.

The previous prime is 111212011201007. The next prime is 111212011201061. The reversal of 111212011201022 is 220102110212111.

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

It is a super-2 number, since 2×111212011201022² (a number of 29 digits) contains 22 as substring.

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, 27803002800254 + ... + 27803002800257.

It is an arithmetic number, because the mean of its divisors is an integer number (41704504200384).

Almost surely, 2^{111212011201022} is an apocalyptic number.

111212011201022 is a deficient number, since it is larger than the sum of its proper divisors (55606005600514).

111212011201022 is an equidigital number, since it uses as much as digits as its factorization.

111212011201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55606005600513.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111212011201022 its reverse (220102110212111), we get a palindrome (331314121413133).

The spelling of 111212011201022 in words is "one hundred eleven trillion, two hundred twelve billion, eleven million, two hundred one thousand, twenty-two".