1020101121211 has 8 divisors (see below), whose sum is σ = 1061299011584. Its totient is φ = 979421443560.

The previous prime is 1020101121187. The next prime is 1020101121283. The reversal of 1020101121211 is 1121211010201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1020101121211 - 2³³ = 1011511186619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020101121191 and 1020101121200.

It is not an unprimeable number, because it can be changed into a prime (1020101121311) 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, 129549165 + ... + 129557038.

It is an arithmetic number, because the mean of its divisors is an integer number (132662376448).

Almost surely, 2^{1020101121211} is an apocalyptic number.

1020101121211 is a deficient number, since it is larger than the sum of its proper divisors (41197890373).

1020101121211 is a wasteful number, since it uses less digits than its factorization.

1020101121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259106361.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1020101121211 its reverse (1121211010201), we get a palindrome (2141312131412).

It can be divided in two parts, 102010 and 1121211, that added together give a palindrome (1223221).

The spelling of 1020101121211 in words is "one trillion, twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred eleven".