1202101121211 has 8 divisors (see below), whose sum is σ = 1602925862160. Its totient is φ = 801338563872.

The previous prime is 1202101121209. The next prime is 1202101121233. The reversal of 1202101121211 is 1121211012021.

It is a happy number.

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

It is not a de Polignac number, because 1202101121211 - 2¹ = 1202101121209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202101121251) 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, 15500776 + ... + 15578133.

It is an arithmetic number, because the mean of its divisors is an integer number (200365732770).

Almost surely, 2^{1202101121211} is an apocalyptic number.

1202101121211 is a deficient number, since it is larger than the sum of its proper divisors (400824740949).

1202101121211 is a wasteful number, since it uses less digits than its factorization.

1202101121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31091805.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1202101121211 its reverse (1121211012021), we get a palindrome (2323312133232).

It can be divided in two parts, 120210 and 1121211, that added together give a palindrome (1241421).

The spelling of 1202101121211 in words is "one trillion, two hundred two billion, one hundred one million, one hundred twenty-one thousand, two hundred eleven".