1220202021203 has 16 divisors (see below), whose sum is σ = 1353544558080. Its totient is φ = 1090611280800.

The previous prime is 1220202021197. The next prime is 1220202021253. The reversal of 1220202021203 is 3021202020221.

It is a cyclic number.

It is not a de Polignac number, because 1220202021203 - 2¹⁶ = 1220201955667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220202021253) 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, 1137008 + ... + 1932146.

It is an arithmetic number, because the mean of its divisors is an integer number (84596534880).

Almost surely, 2^{1220202021203} is an apocalyptic number.

1220202021203 is a deficient number, since it is larger than the sum of its proper divisors (133342536877).

1220202021203 is a wasteful number, since it uses less digits than its factorization.

1220202021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797498.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1220202021203 its reverse (3021202020221), we get a palindrome (4241404041424).

The spelling of 1220202021203 in words is "one trillion, two hundred twenty billion, two hundred two million, twenty-one thousand, two hundred three".