101221222002202 has 12 divisors (see below), whose sum is σ = 160243568904906. Its totient is φ = 47946894632280.

The previous prime is 101221222002127. The next prime is 101221222002209. The reversal of 101221222002202 is 202200222122101.

It can be written as a sum of positive squares in only one way, i.e., 55690562937321 + 45530659064881 = 7462611^2 + 6747641^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 101221222002202.

It is not an unprimeable number, because it can be changed into a prime (101221222002209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70097798449 + ... + 70097799892.

Almost surely, 2^{101221222002202} is an apocalyptic number.

101221222002202 is a deficient number, since it is larger than the sum of its proper divisors (59022346902704).

101221222002202 is a wasteful number, since it uses less digits than its factorization.

101221222002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140195598381 (or 140195598362 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101221222002202 its reverse (202200222122101), we get a palindrome (303421444124303).

It can be divided in two parts, 10122122 and 2002202, that added together give a square (12124324 = 3482²).

The spelling of 101221222002202 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twenty-two million, two thousand, two hundred two".