1021102211210 has 16 divisors (see below), whose sum is σ = 1837999864296. Its totient is φ = 408437354688.

The previous prime is 1021102211191. The next prime is 1021102211231. The reversal of 1021102211210 is 121122011201.

It can be written as a sum of positive squares in 4 ways, for example, as 863447949961 + 157654261249 = 929219^2 + 397057^2 .

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, 996992 + ... + 1742468.

Almost surely, 2^{1021102211210} is an apocalyptic number.

1021102211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021102211210 is a deficient number, since it is larger than the sum of its proper divisors (816897653086).

1021102211210 is a wasteful number, since it uses less digits than its factorization.

1021102211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882457.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021102211210 its reverse (121122011201), we get a palindrome (1142224222411).

The spelling of 1021102211210 in words is "one trillion, twenty-one billion, one hundred two million, two hundred eleven thousand, two hundred ten".