102021101131 has 8 divisors (see below), whose sum is σ = 108423917280. Its totient is φ = 95662904448.

The previous prime is 102021101093. The next prime is 102021101197. The reversal of 102021101131 is 131101120201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102021101131 - 2⁷ = 102021101003 is a prime.

It is a super-2 number, since 2×102021101131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021101431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11150151 + ... + 11159296.

It is an arithmetic number, because the mean of its divisors is an integer number (13552989660).

Almost surely, 2^102021101131 is an apocalyptic number.

102021101131 is a deficient number, since it is larger than the sum of its proper divisors (6402816149).

102021101131 is a wasteful number, since it uses less digits than its factorization.

102021101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22309733.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 102021101131 its reverse (131101120201), we get a palindrome (233122221332).

The spelling of 102021101131 in words is "one hundred two billion, twenty-one million, one hundred one thousand, one hundred thirty-one".