111022020012001 has 12 divisors (see below), whose sum is σ = 129377456781552. Its totient is φ = 94992705249288.

The previous prime is 111022020011863. The next prime is 111022020012107. The reversal of 111022020012001 is 100210020220111.

It is not a de Polignac number, because 111022020012001 - 2²¹ = 111022017914849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111022020012301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2012188675 + ... + 2012243848.

It is an arithmetic number, because the mean of its divisors is an integer number (10781454731796).

Almost surely, 2^{111022020012001} is an apocalyptic number.

It is an amenable number.

111022020012001 is a deficient number, since it is larger than the sum of its proper divisors (18355436769551).

111022020012001 is an equidigital number, since it uses as much as digits as its factorization.

111022020012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024433100 (or 4024433093 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111022020012001 its reverse (100210020220111), we get a palindrome (211232040232112).

The spelling of 111022020012001 in words is "one hundred eleven trillion, twenty-two billion, twenty million, twelve thousand, one".