20010111011202 has 64 divisors (see below), whose sum is σ = 45417830443776. Its totient is φ = 5830953849600.

The previous prime is 20010111011197. The next prime is 20010111011237. The reversal of 20010111011202 is 20211011101002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55036173 + ... + 55398560.

It is an arithmetic number, because the mean of its divisors is an integer number (709653600684).

Almost surely, 2^{20010111011202} is an apocalyptic number.

20010111011202 is an abundant number, since it is smaller than the sum of its proper divisors (25407719432574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010111011202 is a wasteful number, since it uses less digits than its factorization.

20010111011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110434875.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20010111011202 its reverse (20211011101002), we get a palindrome (40221122112204).

The spelling of 20010111011202 in words is "twenty trillion, ten billion, one hundred eleven million, eleven thousand, two hundred two".