1022101111210 has 32 divisors (see below), whose sum is σ = 1845662263632. Its totient is φ = 407534561280.

The previous prime is 1022101111159. The next prime is 1022101111217. The reversal of 1022101111210 is 121111012201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 125733358921 + 896367752289 = 354589^2 + 946767^2 .

It is a super-3 number, since 3×1022101111210³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022101111217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9963580 + ... + 10065640.

Almost surely, 2^{1022101111210} is an apocalyptic number.

1022101111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022101111210 is a deficient number, since it is larger than the sum of its proper divisors (823561152422).

1022101111210 is a wasteful number, since it uses less digits than its factorization.

1022101111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105258.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1022101111210 its reverse (121111012201), we get a palindrome (1143212123411).

Subtracting from 1022101111210 its reverse (121111012201), we obtain a palindrome (900990099009).

It can be divided in two parts, 1022101 and 111210, that added together give a palindrome (1133311).

The spelling of 1022101111210 in words is "one trillion, twenty-two billion, one hundred one million, one hundred eleven thousand, two hundred ten".