1210222110020 has 72 divisors (see below), whose sum is σ = 3192585974592. Its totient is φ = 377212080960.

The previous prime is 1210222110017. The next prime is 1210222110067. The reversal of 1210222110020 is 200112220121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1210222109977 and 1210222110004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35703902 + ... + 35737781.

Almost surely, 2^{1210222110020} is an apocalyptic number.

1210222110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210222110020 is an abundant number, since it is smaller than the sum of its proper divisors (1982363864572).

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

1210222110020 is a wasteful number, since it uses less digits than its factorization.

1210222110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71441721 (or 71441708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1210222110020 its reverse (200112220121), we get a palindrome (1410334330141).

It can be divided in two parts, 12102 and 22110020, that added together give a palindrome (22122122).

The spelling of 1210222110020 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, one hundred ten thousand, twenty".