1121010002101 has 16 divisors (see below), whose sum is σ = 1271450880000. Its totient is φ = 979130617200.

The previous prime is 1121010002083. The next prime is 1121010002117. The reversal of 1121010002101 is 1012000101211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121010002101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121010002131) 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, 11777851 + ... + 11872648.

It is an arithmetic number, because the mean of its divisors is an integer number (79465680000).

Almost surely, 2^{1121010002101} is an apocalyptic number.

1121010002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121010002101 is a deficient number, since it is larger than the sum of its proper divisors (150440877899).

1121010002101 is a wasteful number, since it uses less digits than its factorization.

1121010002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23650680.

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

Adding to 1121010002101 its reverse (1012000101211), we get a palindrome (2133010103312).

The spelling of 1121010002101 in words is "one trillion, one hundred twenty-one billion, ten million, two thousand, one hundred one".