20011110020122 has 16 divisors (see below), whose sum is σ = 32327221379040. Its totient is φ = 9235444899312.

The previous prime is 20011110020117. The next prime is 20011110020149. The reversal of 20011110020122 is 22102001111002.

It is a super-2 number, since 2×20011110020122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18292972 + ... + 19356007.

It is an arithmetic number, because the mean of its divisors is an integer number (2020451336190).

Almost surely, 2^{20011110020122} is an apocalyptic number.

20011110020122 is a deficient number, since it is larger than the sum of its proper divisors (12316111358918).

20011110020122 is a wasteful number, since it uses less digits than its factorization.

20011110020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37669437.

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

Adding to 20011110020122 its reverse (22102001111002), we get a palindrome (42113111131124).

The spelling of 20011110020122 in words is "twenty trillion, eleven billion, one hundred ten million, twenty thousand, one hundred twenty-two".