20121122102 has 8 divisors (see below), whose sum is σ = 30182944512. Its totient is φ = 10060140600.

The previous prime is 20121122059. The next prime is 20121122111. The reversal of 20121122102 is 20122112102.

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

It is a congruent number.

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, 146549 + ... + 248432.

It is an arithmetic number, because the mean of its divisors is an integer number (3772868064).

Almost surely, 2^20121122102 is an apocalyptic number.

20121122102 is a deficient number, since it is larger than the sum of its proper divisors (10061822410).

20121122102 is a wasteful number, since it uses less digits than its factorization.

20121122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420454.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20121122102 its reverse (20122112102), we get a palindrome (40243234204).

The spelling of 20121122102 in words is "twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred two".