1021002202122 has 64 divisors (see below), whose sum is σ = 2479430870784. Its totient is φ = 273618109440.

The previous prime is 1021002202069. The next prime is 1021002202127. The reversal of 1021002202122 is 2212022001201.

It is not an unprimeable number, because it can be changed into a prime (1021002202127) 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, 2231029 + ... + 2649432.

It is an arithmetic number, because the mean of its divisors is an integer number (38741107356).

Almost surely, 2^{1021002202122} is an apocalyptic number.

1021002202122 is an abundant number, since it is smaller than the sum of its proper divisors (1458428668662).

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

1021002202122 is a wasteful number, since it uses less digits than its factorization.

1021002202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880783.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021002202122 its reverse (2212022001201), we get a palindrome (3233024203323).

The spelling of 1021002202122 in words is "one trillion, twenty-one billion, two million, two hundred two thousand, one hundred twenty-two".