1021022101422 has 32 divisors (see below), whose sum is σ = 2388355795200. Its totient is φ = 322428031704.

The previous prime is 1021022101399. The next prime is 1021022101423. The reversal of 1021022101422 is 2241012201201.

1021022101422 is a `hidden beast` number, since 1 + 0 + 21 + 0 + 221 + 0 + 1 + 422 = 666.

It is a super-2 number, since 2×1021022101422² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1021022101395 and 1021022101404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021022101423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497573098 + ... + 497575149.

It is an arithmetic number, because the mean of its divisors is an integer number (74636118600).

Almost surely, 2^{1021022101422} is an apocalyptic number.

1021022101422 is an abundant number, since it is smaller than the sum of its proper divisors (1367333693778).

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

1021022101422 is a wasteful number, since it uses less digits than its factorization.

1021022101422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995148277 (or 995148271 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1021022101422 its reverse (2241012201201), we get a palindrome (3262034302623).

The spelling of 1021022101422 in words is "one trillion, twenty-one billion, twenty-two million, one hundred one thousand, four hundred twenty-two".