1202022011001 has 24 divisors (see below), whose sum is σ = 1864719769440. Its totient is φ = 686737420992.

The previous prime is 1202022010999. The next prime is 1202022011017. The reversal of 1202022011001 is 1001102202021.

It is not a de Polignac number, because 1202022011001 - 2¹ = 1202022010999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202022011081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19171 + ... + 1550616.

It is an arithmetic number, because the mean of its divisors is an integer number (77696657060).

Almost surely, 2^{1202022011001} is an apocalyptic number.

It is an amenable number.

1202022011001 is a deficient number, since it is larger than the sum of its proper divisors (662697758439).

1202022011001 is a wasteful number, since it uses less digits than its factorization.

1202022011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575013 (or 1575006 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202022011001 its reverse (1001102202021), we get a palindrome (2203124213022).

The spelling of 1202022011001 in words is "one trillion, two hundred two billion, twenty-two million, eleven thousand, one".