101221020702 has 12 divisors (see below), whose sum is σ = 219312211560. Its totient is φ = 33740340228.

The previous prime is 101221020617. The next prime is 101221020707. The reversal of 101221020702 is 207020122101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5623390039 = 101221020702 / (1 + 0 + 1 + 2 + 2 + 1 + 0 + 2 + 0 + 7 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221020707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811695002 + ... + 2811695037.

It is an arithmetic number, because the mean of its divisors is an integer number (18276017630).

Almost surely, 2^101221020702 is an apocalyptic number.

101221020702 is an abundant number, since it is smaller than the sum of its proper divisors (118091190858).

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

101221020702 is a wasteful number, since it uses less digits than its factorization.

101221020702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623390047 (or 5623390044 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

Adding to 101221020702 its reverse (207020122101), we get a palindrome (308241142803).

The spelling of 101221020702 in words is "one hundred one billion, two hundred twenty-one million, twenty thousand, seven hundred two".