1021000101112 has 16 divisors (see below), whose sum is σ = 1997608893840. Its totient is φ = 488304396096.

The previous prime is 1021000101097. The next prime is 1021000101119. The reversal of 1021000101112 is 2111010001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021000101119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774456613 + ... + 2774456980.

It is an arithmetic number, because the mean of its divisors is an integer number (124850555865).

Almost surely, 2^{1021000101112} is an apocalyptic number.

It is an amenable number.

1021000101112 is a deficient number, since it is larger than the sum of its proper divisors (976608792728).

1021000101112 is a wasteful number, since it uses less digits than its factorization.

1021000101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548913622 (or 5548913618 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021000101112 its reverse (2111010001201), we get a palindrome (3132010102313).

The spelling of 1021000101112 in words is "one trillion, twenty-one billion, one hundred one thousand, one hundred twelve".