1211001012022 has 32 divisors (see below), whose sum is σ = 1933687655424. Its totient is φ = 567597492000.

The previous prime is 1211001012017. The next prime is 1211001012103. The reversal of 1211001012022 is 2202101001121.

It is a super-2 number, since 2×1211001012022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211001011993 and 1211001012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564729 + ... + 1655572.

It is an arithmetic number, because the mean of its divisors is an integer number (60427739232).

Almost surely, 2^{1211001012022} is an apocalyptic number.

1211001012022 is a deficient number, since it is larger than the sum of its proper divisors (722686643402).

1211001012022 is a wasteful number, since it uses less digits than its factorization.

1211001012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220564.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1211001012022 its reverse (2202101001121), we get a palindrome (3413102013143).

The spelling of 1211001012022 in words is "one trillion, two hundred eleven billion, one million, twelve thousand, twenty-two".