20122111202 has 8 divisors (see below), whose sum is σ = 30185998812. Its totient is φ = 10060111600.

The previous prime is 20122111169. The next prime is 20122111211. The reversal of 20122111202 is 20211122102.

It can be written as a sum of positive squares in 2 ways, for example, as 19799585521 + 322525681 = 140711^2 + 17959^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445049 + ... + 488172.

Almost surely, 2^20122111202 is an apocalyptic number.

20122111202 is a deficient number, since it is larger than the sum of its proper divisors (10063887610).

20122111202 is a wasteful number, since it uses less digits than its factorization.

20122111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944004.

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

Adding to 20122111202 its reverse (20211122102), we get a palindrome (40333233304).

The spelling of 20122111202 in words is "twenty billion, one hundred twenty-two million, one hundred eleven thousand, two hundred two".