20212001211022 has 64 divisors (see below), whose sum is σ = 31012645847040. Its totient is φ = 9877218278400.

The previous prime is 20212001211007. The next prime is 20212001211079. The reversal of 20212001211022 is 22011210021202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212001210987 and 20212001211005.

It is a congruent number.

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, 15802971379 + ... + 15802972657.

It is an arithmetic number, because the mean of its divisors is an integer number (484572591360).

Almost surely, 2^{20212001211022} is an apocalyptic number.

20212001211022 is a deficient number, since it is larger than the sum of its proper divisors (10800644636018).

20212001211022 is a wasteful number, since it uses less digits than its factorization.

20212001211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212001211022 its reverse (22011210021202), we get a palindrome (42223211232224).

The spelling of 20212001211022 in words is "twenty trillion, two hundred twelve billion, one million, two hundred eleven thousand, twenty-two".