101021202001020 has 48 divisors (see below), whose sum is σ = 323267846404608. Its totient is φ = 23090560457280.

The previous prime is 101021202001019. The next prime is 101021202001037. The reversal of 101021202001020 is 20100202120101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101021202000987 and 101021202001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120263335296 + ... + 120263336135.

It is an arithmetic number, because the mean of its divisors is an integer number (6734746800096).

Almost surely, 2^{101021202001020} is an apocalyptic number.

101021202001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021202001020 is an abundant number, since it is smaller than the sum of its proper divisors (222246644403588).

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

101021202001020 is a wasteful number, since it uses less digits than its factorization.

101021202001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240526671450 (or 240526671448 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101021202001020 its reverse (20100202120101), we get a palindrome (121121404121121).

The spelling of 101021202001020 in words is "one hundred one trillion, twenty-one billion, two hundred two million, one thousand, twenty".