1011220202001 has 8 divisors (see below), whose sum is σ = 1348413485344. Its totient is φ = 674086860000.

The previous prime is 1011220201993. The next prime is 1011220202023. The reversal of 1011220202001 is 1002020221101.

1011220202001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011220202001 - 2³ = 1011220201993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011220202051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14945956 + ... + 15013461.

It is an arithmetic number, because the mean of its divisors is an integer number (168551685668).

Almost surely, 2^{1011220202001} is an apocalyptic number.

It is an amenable number.

1011220202001 is a deficient number, since it is larger than the sum of its proper divisors (337193283343).

1011220202001 is a wasteful number, since it uses less digits than its factorization.

1011220202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29970671.

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

Adding to 1011220202001 its reverse (1002020221101), we get a palindrome (2013240423102).

The spelling of 1011220202001 in words is "one trillion, eleven billion, two hundred twenty million, two hundred two thousand, one".