1012201022 has 32 divisors (see below), whose sum is σ = 1828807680. Its totient is φ = 410456160.

The previous prime is 1012201013. The next prime is 1012201087. The reversal of 1012201022 is 2201022101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012200994 and 1012201012.

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, 269723 + ... + 273449.

It is an arithmetic number, because the mean of its divisors is an integer number (57150240).

Almost surely, 2^1012201022 is an apocalyptic number.

1012201022 is a deficient number, since it is larger than the sum of its proper divisors (816606658).

1012201022 is a wasteful number, since it uses less digits than its factorization.

1012201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1012201022 is about 31815.1068205027. The cubic root of 1012201022 is about 1004.0505779984.

Adding to 1012201022 its reverse (2201022101), we get a palindrome (3213223123).

It can be divided in two parts, 101 and 2201022, that multiplied together give a palindrome (222303222).

The spelling of 1012201022 in words is "one billion, twelve million, two hundred one thousand, twenty-two".