20102021211012 has 48 divisors (see below), whose sum is σ = 50518490766912. Its totient is φ = 6184536946560.

The previous prime is 20102021211007. The next prime is 20102021211017. The reversal of 20102021211012 is 21011212020102.

It is an interprime number because it is at equal distance from previous prime (20102021211007) and next prime (20102021211017).

It is a junction number, because it is equal to n+sod(n) for n = 20102021210982 and 20102021211000.

It is not an unprimeable number, because it can be changed into a prime (20102021211017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5912314 + ... + 8669457.

It is an arithmetic number, because the mean of its divisors is an integer number (1052468557644).

Almost surely, 2^{20102021211012} is an apocalyptic number.

It is an amenable number.

20102021211012 is an abundant number, since it is smaller than the sum of its proper divisors (30416469555900).

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

20102021211012 is a wasteful number, since it uses less digits than its factorization.

20102021211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590628 (or 14590626 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102021211012 its reverse (21011212020102), we get a palindrome (41113233231114).

The spelling of 20102021211012 in words is "twenty trillion, one hundred two billion, twenty-one million, two hundred eleven thousand, twelve".