102021201022 has 16 divisors (see below), whose sum is σ = 164809990800. Its totient is φ = 47084847552.

The previous prime is 102021200959. The next prime is 102021201047. The reversal of 102021201022 is 220102120201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 102021200993 and 102021201011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766473 + ... + 889675.

It is an arithmetic number, because the mean of its divisors is an integer number (10300624425).

Almost surely, 2^102021201022 is an apocalyptic number.

102021201022 is a deficient number, since it is larger than the sum of its proper divisors (62788789778).

102021201022 is a wasteful number, since it uses less digits than its factorization.

102021201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155067.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102021201022 its reverse (220102120201), we get a palindrome (322123321223).

The spelling of 102021201022 in words is "one hundred two billion, twenty-one million, two hundred one thousand, twenty-two".