1001211212022 has 24 divisors (see below), whose sum is σ = 2329348534776. Its totient is φ = 286060346208.

The previous prime is 1001211211999. The next prime is 1001211212039. The reversal of 1001211212022 is 2202121121001.

It is a junction number, because it is equal to n+sod(n) for n = 1001211211992 and 1001211212010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1702739863 + ... + 1702740450.

It is an arithmetic number, because the mean of its divisors is an integer number (97056188949).

Almost surely, 2^{1001211212022} is an apocalyptic number.

1001211212022 is an abundant number, since it is smaller than the sum of its proper divisors (1328137322754).

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

1001211212022 is a wasteful number, since it uses less digits than its factorization.

1001211212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405480332 (or 3405480325 counting only the distinct ones).

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

Adding to 1001211212022 its reverse (2202121121001), we get a palindrome (3203332333023).

The spelling of 1001211212022 in words is "one trillion, one billion, two hundred eleven million, two hundred twelve thousand, twenty-two".