1211021022022 has 16 divisors (see below), whose sum is σ = 2166298474752. Its totient is φ = 496443400200.

The previous prime is 1211021022017. The next prime is 1211021022031. The reversal of 1211021022022 is 2202201201121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1211021021987 and 1211021022005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880467104 + ... + 1880467747.

It is an arithmetic number, because the mean of its divisors is an integer number (135393654672).

Almost surely, 2^{1211021022022} is an apocalyptic number.

1211021022022 is a deficient number, since it is larger than the sum of its proper divisors (955277452730).

1211021022022 is a wasteful number, since it uses less digits than its factorization.

1211021022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760934883.

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

Adding to 1211021022022 its reverse (2202201201121), we get a palindrome (3413222223143).

The spelling of 1211021022022 in words is "one trillion, two hundred eleven billion, twenty-one million, twenty-two thousand, twenty-two".