20111001122002 has 16 divisors (see below), whose sum is σ = 34476624120960. Its totient is φ = 8618844931488.

The previous prime is 20111001121909. The next prime is 20111001122021. The reversal of 20111001122002 is 20022110011102.

It is a super-2 number, since 2×20111001122002² (a number of 27 digits) contains 22 as substring.

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, 12157278 + ... + 13712089.

It is an arithmetic number, because the mean of its divisors is an integer number (2154789007560).

Almost surely, 2^{20111001122002} is an apocalyptic number.

20111001122002 is a deficient number, since it is larger than the sum of its proper divisors (14365622998958).

20111001122002 is a wasteful number, since it uses less digits than its factorization.

20111001122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25924905.

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

Adding to 20111001122002 its reverse (20022110011102), we get a palindrome (40133111133104).

The spelling of 20111001122002 in words is "twenty trillion, one hundred eleven billion, one million, one hundred twenty-two thousand, two".