1022101201020 has 96 divisors (see below), whose sum is σ = 3036255280128. Its totient is φ = 256017236992.

The previous prime is 1022101200997. The next prime is 1022101201021. The reversal of 1022101201020 is 201021012201.

It is a super-3 number, since 3×1022101201020³ (a number of 37 digits) contains 333 as substring.

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 = 1022101200987 and 1022101201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022101201021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483024 + ... + 1509143.

It is an arithmetic number, because the mean of its divisors is an integer number (31627659168).

Almost surely, 2^{1022101201020} is an apocalyptic number.

1022101201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022101201020 is an abundant number, since it is smaller than the sum of its proper divisors (2014154079108).

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

1022101201020 is a wasteful number, since it uses less digits than its factorization.

1022101201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992699 (or 1992697 counting only the distinct ones).

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

Adding to 1022101201020 its reverse (201021012201), we get a palindrome (1223122213221).

The spelling of 1022101201020 in words is "one trillion, twenty-two billion, one hundred one million, two hundred one thousand, twenty".