131022021102 has 24 divisors (see below), whose sum is σ = 304826743656. Its totient is φ = 37434863088.

The previous prime is 131022021101. The next prime is 131022021103. The reversal of 131022021102 is 201120220131.

It is an interprime number because it is at equal distance from previous prime (131022021101) and next prime (131022021103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222826273 + ... + 222826860.

It is an arithmetic number, because the mean of its divisors is an integer number (12701114319).

Almost surely, 2^131022021102 is an apocalyptic number.

131022021102 is an abundant number, since it is smaller than the sum of its proper divisors (173804722554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131022021102 is a wasteful number, since it uses less digits than its factorization.

131022021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445653152 (or 445653145 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131022021102 its reverse (201120220131), we get a palindrome (332142241233).

The spelling of 131022021102 in words is "one hundred thirty-one billion, twenty-two million, twenty-one thousand, one hundred two".