1121201002101 has 32 divisors (see below), whose sum is σ = 1522808680320. Its totient is φ = 733633403904.

The previous prime is 1121201002073. The next prime is 1121201002133. The reversal of 1121201002101 is 1012001021211.

It is not a de Polignac number, because 1121201002101 - 2²¹ = 1121198904949 is a prime.

It is a super-2 number, since 2×1121201002101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121201001101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144611241 + ... + 144618993.

It is an arithmetic number, because the mean of its divisors is an integer number (47587771260).

Almost surely, 2^{1121201002101} is an apocalyptic number.

It is an amenable number.

1121201002101 is a deficient number, since it is larger than the sum of its proper divisors (401607678219).

1121201002101 is a wasteful number, since it uses less digits than its factorization.

1121201002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10965.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121201002101 its reverse (1012001021211), we get a palindrome (2133202023312).

The spelling of 1121201002101 in words is "one trillion, one hundred twenty-one billion, two hundred one million, two thousand, one hundred one".