1211001210022 has 16 divisors (see below), whose sum is σ = 1875362429952. Its totient is φ = 585885895560.

The previous prime is 1211001209963. The next prime is 1211001210037. The reversal of 1211001210022 is 2200121001121.

It is a junction number, because it is equal to n+sod(n) for n = 1211001209984 and 1211001210011.

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, 928428 + ... + 1812175.

It is an arithmetic number, because the mean of its divisors is an integer number (117210151872).

Almost surely, 2^{1211001210022} is an apocalyptic number.

1211001210022 is a deficient number, since it is larger than the sum of its proper divisors (664361219930).

1211001210022 is a wasteful number, since it uses less digits than its factorization.

1211001210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747763.

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

Adding to 1211001210022 its reverse (2200121001121), we get a palindrome (3411122211143).

The spelling of 1211001210022 in words is "one trillion, two hundred eleven billion, one million, two hundred ten thousand, twenty-two".