1210022101210 has 24 divisors (see below), whose sum is σ = 2358469116540. Its totient is φ = 446777390592.

The previous prime is 1210022101201. The next prime is 1210022101219. The reversal of 1210022101210 is 121012200121.

It is an interprime number because it is at equal distance from previous prime (1210022101201) and next prime (1210022101219).

It can be written as a sum of positive squares in 6 ways, for example, as 1708912921 + 1208313188289 = 41339^2 + 1099233^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1210022101219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357993015 + ... + 357996394.

Almost surely, 2^{1210022101210} is an apocalyptic number.

1210022101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210022101210 is a deficient number, since it is larger than the sum of its proper divisors (1148447015330).

1210022101210 is a wasteful number, since it uses less digits than its factorization.

1210022101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715989442 (or 715989429 counting only the distinct ones).

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

Adding to 1210022101210 its reverse (121012200121), we get a palindrome (1331034301331).

The spelling of 1210022101210 in words is "one trillion, two hundred ten billion, twenty-two million, one hundred one thousand, two hundred ten".