20112122002 has 8 divisors (see below), whose sum is σ = 34477923456. Its totient is φ = 8619480852.

The previous prime is 20112121973. The next prime is 20112122087. The reversal of 20112122002 is 20022121102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718290058 + ... + 718290085.

It is an arithmetic number, because the mean of its divisors is an integer number (4309740432).

Almost surely, 2^20112122002 is an apocalyptic number.

20112122002 is a deficient number, since it is larger than the sum of its proper divisors (14365801454).

20112122002 is a wasteful number, since it uses less digits than its factorization.

20112122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436580152.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20112122002 its reverse (20022121102), we get a palindrome (40134243104).

The spelling of 20112122002 in words is "twenty billion, one hundred twelve million, one hundred twenty-two thousand, two".