1210220211022 has 4 divisors (see below), whose sum is σ = 1815330316536. Its totient is φ = 605110105510.

The previous prime is 1210220211017. The next prime is 1210220211023. The reversal of 1210220211022 is 2201120220121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1210220211022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210220210987 and 1210220211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210220211023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302555052754 + ... + 302555052757.

It is an arithmetic number, because the mean of its divisors is an integer number (453832579134).

Almost surely, 2^{1210220211022} is an apocalyptic number.

1210220211022 is a deficient number, since it is larger than the sum of its proper divisors (605110105514).

1210220211022 is an equidigital number, since it uses as much as digits as its factorization.

1210220211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605110105513.

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

Adding to 1210220211022 its reverse (2201120220121), we get a palindrome (3411340431143).

Subtracting 1210220211022 from its reverse (2201120220121), we obtain a palindrome (990900009099).

The spelling of 1210220211022 in words is "one trillion, two hundred ten billion, two hundred twenty million, two hundred eleven thousand, twenty-two".