1021102101212 has 6 divisors (see below), whose sum is σ = 1786928677128. Its totient is φ = 510551050604.

The previous prime is 1021102101203. The next prime is 1021102101263. The reversal of 1021102101212 is 2121012011201.

It is a super-2 number, since 2×1021102101212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127637762648 + ... + 127637762655.

It is an arithmetic number, because the mean of its divisors is an integer number (297821446188).

Almost surely, 2^{1021102101212} is an apocalyptic number.

It is an amenable number.

1021102101212 is a deficient number, since it is larger than the sum of its proper divisors (765826575916).

1021102101212 is a wasteful number, since it uses less digits than its factorization.

1021102101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255275525307 (or 255275525305 counting only the distinct ones).

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

Adding to 1021102101212 its reverse (2121012011201), we get a palindrome (3142114112413).

The spelling of 1021102101212 in words is "one trillion, twenty-one billion, one hundred two million, one hundred one thousand, two hundred twelve".